Navbar customization v2 (#18026)

Adds color support for navigation menu items.

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Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>
Co-authored-by: Devessier <baptiste@devessier.fr>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/metadata-modules/flat-entity/constant/__tests__/__snapshots__/all-universal-flat-entity-properties-to-compare-and-stringify.constant.spec.ts.snap

@@ -106,6 +106,7 @@ exports[`ALL_UNIVERSAL_FLAT_ENTITY_PROPERTIES_TO_COMPARE_AND_STRINGIFY should ma
       "name",
       "link",
       "icon",
+      "color",
     ],
     "propertiesToStringify": [],
   },

packages/twenty-server/src/engine/metadata-modules/flat-entity/constant/all-entity-properties-configuration-by-metadata-name.constant.ts

@@ -1020,6 +1020,11 @@ export const ALL_ENTITY_PROPERTIES_CONFIGURATION_BY_METADATA_NAME = {
     name: { toCompare: true, toStringify: false, universalProperty: undefined },
     link: { toCompare: true, toStringify: false, universalProperty: undefined },
     icon: { toCompare: true, toStringify: false, universalProperty: undefined },
+    color: {
+      toCompare: true,
+      toStringify: false,
+      universalProperty: undefined,
+    },
     createdAt: {
       toCompare: false,
       toStringify: false,